@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/4c91af9c-8239-4c88-a86e-e047f74298f1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/4c91af9c-8239-4c88-a86e-e047f74298f1> .